Unit 1A. Fill in the blanks with the wordsgivenbelow. Change the form wherenecess ary.intern al ditchfabulo us renova teplaste r amateu r blunde r instin ct1. The police _blund ered___ badlyby arrest ing the wrongman.2. The housewas severe ly destro yed, so the couple spentthousa nds of dollar s _renov ating____it.3. The pilotwas forced to _ditch___ the jet planein the Gulf becaus e of the hijack ing.4. Unlike the Satell ite, it has no __inte rnal____ batter y, though it will accept extern al batter ies made for the iPad.5. The basisfor traini ng relies on the dog’s natura l __inst inct____ to hunt.6. The __plas ter___ was beginn ing to fall from the walls.7. During each war the monopo ly capita lists amasse d ___fab ulous____wealth.8. At colleg e he studie d Englis h and did _amate ur______ boxingB. Fill in the blanks with the expres sions givenbelow. Change the form wherenecess ary.down to call in beat upwind up trialand errorat all costsDon’t _beat___ yourse lf up__ over someth ing that you have no contro l over.They decide d to _callin____ a doctor becaus e the childwas not any better.Ultima tely, he said, the issuecame ___dow n to __a disput e betwee n the two countr ies.I always said he would_ wind up ____ in jail.Growth is a proces s of __ trialand error_________. You can learnas much from failur e as you can from succes s. Maybemore.The bridge must be repair ed within threedays __ at all costs____.这座房子在地震中损毁严重，汤姆花了不少钱来修它。
21世纪大学英语应用型综合教程修订版第4册课后练习题含答案简介《21世纪大学英语应用型综合教程修订版第4册》是一本适合大学生使用的英语教材。
本书结合实际情况和文化背景，提供了各种阶段和兴趣爱好的主题，以及包括听力、口语、阅读和写作等多种技能的练习。
本书的课后练习题包含了答案，方便学习者自我检测和巩固所学知识。
课后练习题Unit1Section A1.What was the writer?s mn purpose in writing this article?2.What are the four common reasons for people to want to learnEnglish?3.What difficulties do adult English learners often face?4.What strategies does the writer suggest to help adultEnglish learners overcome their difficulties?Section B1.What is the article mnly about?2.What is the importance of brevity in business writing?3.What are the three principles the writer suggests to improvebusiness writing?4.What are the characteristics of good business writing?1Unit2Section A1.What is Canada's official languages policy?2.What challenges did Lise Bissonnette face in learningEnglish?3.What strategies did she use to overcome these challenges?4.What are the benefits she has gned from learning English? Section B1.What is the article mnly about?2.What are the four tips the writer suggests for conductingeffective meetings?3.What is the importance of setting agendas in meetings?4.What are the benefits of summarizing meeting results?Unit3Section A1.What is the writer's personal experience of learningEnglish?2.What is the attitude towards English learning in China?3.What advantages does the current generation of Chinese havein learning English?4.What does the writer suggest for Chinese students to improvetheir English?Section B1.What is the article mnly about?22.What are the three steps involved in the planning process?3.What is the importance of the SWOT analysis in the planningprocess?4.What are the benefits of a well-executed plan?Unit4Section A1.What is the writer's personal experience of culture shock?2.What are some common symptoms of culture shock?3.What are some strategies the writer suggests for coping withculture shock?4.What are the benefits of experiencing culture shock?Section B1.What is the article mnly about?2.What are the five reasons why companies should innovate?3.What are the characteristics of innovative companies?4.What are the benefits of innovation?总结本文介绍了《21世纪大学英语应用型综合教程修订版第4册》的课后练习题，包含了四个单元的答案。
